*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
.sea{
    position: fixed;
    bottom: 0px;
}
.img1{
    position: absolute;
    bottom: 60px;
    height: 70px;
    animation: whn 2s infinite;
}
.img2{
    position: absolute;
    bottom: 30px;
    height: 70px;
    animation: whn 6s infinite;
}
.img3{
    position: absolute;
    bottom: 0px;
    height: 70px;
    animation: whn 4s infinite;
}
.ship{
    position: fixed;
    left: 30%;
    top: 20%;
    animation: hn 3s infinite;
}
.yu{
    position: fixed;
    top: 90%;
    animation: yu 4s infinite linear;
}
@keyframes whn{
    50%{
        transform: translate(-50px);
    }
}
@keyframes hn{
    50%{
        transform: rotate(15deg);
    }
}
@keyframes yu{
    25%{
        transform: translate(350px,-300px) rotate(15deg);
    }
    50%{
        transform: translate(700px,0px) rotate(-15deg);
    }
    75%{
        transform: translate(1050px,-300px) rotate(15deg);
    }
    100%{
        transform: translate(1400px, 0px) rotate(-15deg);
    }
}